Display screen with an animated user interface



FIG. 1 is a front view of the first image in the sequence for a display screen with an animated user interface showing our new design;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof;

FIG. 5 is the fifth image thereof;

FIG. 6 is the sixth image thereof;

FIG. 7 is the seventh image thereof;

FIG. 8 is the eighth image thereof;

FIG. 9 is the ninth image thereof;

FIG. 10 is the tenth image thereof;

FIG. 11 is the eleventh image thereof; and,

FIG. 12 is the twelfth image thereof.

The appearance of the user interface sequentially transitions between the images shown in FIGS. 1-12. The process or period in which one image transitions to another forms no part of the claimed design. The broken line showing of the display screen is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a display screen with an animated user interface, as shown and described. 